CN210343630U

CN210343630U - Fluid metering pump

Info

Publication number: CN210343630U
Application number: CN201920319884.5U
Authority: CN
Inventors: 高粤杰
Original assignee: ZHUHAI RUICHUANG TECHNOLOGY DEVELOPMENT CO LTD
Current assignee: ZHUHAI RUICHUANG TECHNOLOGY DEVELOPMENT CO LTD
Priority date: 2019-03-13
Filing date: 2019-03-13
Publication date: 2020-04-17
Anticipated expiration: 2029-03-13

Abstract

The utility model provides a fluid metering pump, which is used for the split charging and metering of the output flow of a fluid pump, and comprises a power driving part and a pump body, wherein the pump body is used for metering the output of various fluid quantities required by split charging after the liquid sucked in quantitatively and automatically regulated according to the requirement; the pump body comprises a pump tee joint, a cylinder body and a piston body, the cylinder body is fixedly arranged on the pump tee joint and is communicated with one path of the pump tee joint, a pump inlet of the pump tee joint is connected with a pump inlet flow channel pipe which is convenient for pumping fluid materials into the pump tee joint and the inner cavity of the cylinder body, and a pump outlet flow channel pipe which is convenient for pumping the fluid materials out of the pump tee joint and the inner cavity of the cylinder body is connected with a pump outlet of the pump tee joint; the power driving part comprises a power source, a power gear, a rack and an assembly frame, the power gear and the rack are installed on the assembly frame, the end part of the rack is connected with the piston body in the cylinder body, the power source controls the stroke amount of the piston body in the cylinder body through the power gear and the rack, the material amount pumped out by a tee joint and the fluid material in the cylinder body for the control pump for subpackage metering is controlled, and the flow of the control pump is precisely finely adjusted through the control system.

Description

Fluid metering pump

[ technical field ] A method for producing a semiconductor device

The utility model relates to a pump body filling technique especially relates to fluid metering pump.

[ background of the invention ]

The metering pump is one of the fluid delivery pumps, and is characterized by maintaining a constant flow rate regardless of discharge pressure. The metering pump can simultaneously complete the functions of conveying, metering and adjusting, thereby simplifying the production process flow, and the metering pump is widely applied to various industrial fields of oil detection, petrochemical industry, pharmacy, food and the like. The metering range of the existing small metering pump is 0.2-50L/min, and the small metering pump has the defects of large volume, high cost, large error of repeated metering precision, short service life, poor adjustability and the like.

In addition, in the conventional metering pump, the amount of liquid sucked is generally fixed, but in the output process, because the stroke amount of the piston in the cylinder body cannot be effectively controlled, the amount of liquid output cannot be subjected to follow-up metering adjustment and control according to different metering requirements; however, in the production processes of products such as batteries, cosmetics, foods, electronic products, biological reagents and the like, and in the production processes of fluid subpackaging, fluid dispensing, fluid spraying and the like, precise metering pumps are required to be used for subpackaging the fluid; at present, the mainstream metering pump mainly adjusts the flow manually, the adjusting method is complex, the efficiency is low, the accuracy is low, and the metering accuracy cannot meet the existing production requirements.

[ Utility model ] content

The utility model provides a fluid metering pump with drawing liquid and flowing back volume measurement function can adjust out the output fluid volume of various partial shipment demands after according to production demand automatic measurement.

In order to realize the purpose of the utility model, the utility model discloses a technical scheme be:

the fluid metering pump is used for subpackaging and metering the output flow of the fluid pump, and comprises a power driving part and a pump body, wherein the pump body is used for outputting the quantitatively sucked liquid and the fluid amount required by various subpackages after being automatically regulated according to requirements; the pump body comprises a pump tee joint, a cylinder body and a piston body arranged in the cylinder body, the cylinder body is fixedly arranged on the pump tee joint and is communicated with one path of the pump tee joint, a pump inlet of the pump tee joint is connected with a pump inlet flow channel pipe which is convenient for pumping fluid materials into the pump tee joint and an inner cavity of the cylinder body, a pump outlet flow channel pipe which is convenient for pumping the fluid materials in the pump tee joint and the inner cavity of the cylinder body is connected with an outlet of the pump tee joint, a pump inlet one-way stop valve is arranged on the pump inlet flow channel pipe, and a pump outlet one-way stop valve; the power driving component comprises a power source, a power gear, a rack and an assembly frame, the power gear and the rack are matched with each other and then are installed on the assembly frame, one end part of the rack is connected with the piston body in the cylinder body, the power source drives the power gear to rotate positively and negatively, the power gear drives the rack to linearly and reciprocally traverse, and the rack is linked to drive the piston body to linearly and reciprocally traverse in the cylinder body; the power source controls the stroke amount of the piston body in the cylinder body through the power gear and the rack to change the volume of the cylinder body and control the three-way joint for the split charging metering and the stepless regulation of the material amount pumped out by the fluid material in the cylinder body.

Furthermore, sliding sleeves which are in sleeved fit with the racks and are convenient for the linear reciprocating transverse movement of the racks are respectively installed at two ends of the assembling frame.

Further, the power source is a stepping motor.

Furthermore, the rotating speed of the stepping motor is adjusted to adjust the flow pumped out by the three-way valve and the fluid material in the cylinder body.

Furthermore, the tooth pitch of the adjusting rack adjusts the flow pumped by the tee joint and the fluid material in the cylinder body for the pump.

The utility model has the advantages that:

the utility model has simple structure, convenient disassembly, small volume, light weight and low price; the power source adopts a stepping motor, the stepping motor drives a power gear to rotate positively and negatively, the power gear drives a rack to linearly and reciprocally move transversely, and the rack is linked to drive a piston body to linearly and reciprocally move transversely in the cylinder body; through the control piston body the stroke volume in the cylinder body, come the material volume that the fluid material pumped in tee bend and the cylinder body in the control pump of partial shipment measurement pumped, can calculate the fluid material volume that pumps from this to carry out accurate control to the flow deviation through control system, realize carrying out the infinitely variable control of liquid flow during pump work.

Meanwhile, the integral structure is reasonable, the metering is accurate, and the use is convenient; the automatic control system can be used for the production processes of subpackaging fluid products such as food, medicines, cosmetics, electronic products, biological reagents and the like, realizes automatic and intelligent control, and improves the control precision.

And moreover, the flow size and direction are adjusted by adopting the stepping motor and the adjusting rack, so that the adjustment is flexible, the control range of the material output amount of the fluid pump is wide, the precision is accurate, and the controllability is strong.

[ description of the drawings ]

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic side view of the present invention.

[ detailed description ] embodiments

The fluid metering pump is used for sub-packaging and metering the output flow of the fluid pump, and comprises a power driving part and a pump body, wherein the pump body outputs the metered liquid which is sucked in quantitatively and is automatically regulated according to requirements to meter the amount of the fluid required by various sub-packages; wherein, the pump body includes tee bend 1 for the pump, cylinder body 2 and establish piston body 3 in

cylinder body

1, 2 installation of cylinder body be fixed in on the tee bend 1 for the pump and with the tee bend for the pump on communicate all the way, be connected with the pump that is convenient for fluid material pump to go into

pump tee bend

1 and 2 inner chambers of cylinder body pump into runner pipe 4, be connected with the pump that is convenient for in the pump tee bend 1 for the pump outlet on the pump inlet of tee bend 1 for the pump and pump out runner pipe 5 of the fluid material pump out in the 2 inner chambers of cylinder body, install pump in pump on pump into runner pipe 4 and pump into one-way stop valve 6, install pump out one-.

As shown in fig. 1 and fig. 2, the power driving component includes a power source (not shown), a power gear 8, a rack 9 and an assembly frame 10, the power source is a stepping motor (not shown), the power gear 8 and the rack 9 are mounted on the assembly frame 10 after being matched with each other, one end of the rack 9 is connected with the piston body 3 in the cylinder body 2, and two ends of the assembly frame 10 are respectively provided with a sliding sleeve 11 which is sleeved and matched with the rack 9 and facilitates the rack 9 to move linearly and reciprocally; the stepping motor drives the power gear 8 to rotate forwards and backwards, the power gear 8 drives the rack 9 to linearly reciprocate and transversely move, and the rack 9 is linked to drive the piston body 3 to linearly reciprocate and transversely move in the cylinder body 2, so that the pumping of the three-way valve 1 and the cylinder body 2 to fluid materials is realized; the stepping motor controls the stroke amount of the piston body 3 in the cylinder body 2 through the power gear 8 and the rack 9, and the amount of materials pumped out by fluid materials in the tee joint 1 and the cylinder body 2 for the control pump for subpackaging measurement is obtained, so that the amount of the pumped fluid materials can be precisely calculated, flow deviation is precisely controlled through the control system, stepless regulation of liquid flow during the working period of the pump is realized, and stepless regulation of different types of metering subpackages is facilitated.

When the three-way valve works, the rotating speed of the stepping motor can be adjusted to adjust the pumping flow of fluid materials in the three-way valve 1 and the cylinder body 2 for the pump; or the tooth pitch of the adjusting rack 9 adjusts the pumping flow of the fluid materials in the three-way pipe 1 and the cylinder body 2 for the pump. The whole equipment has reasonable structure, accurate measurement and convenient use; the method can be applied to the production processes of subpackaging and the like of fluid products such as food, medicines, cosmetics, electronic products, biological reagents and the like, realizes automatic and intelligent control, improves the control precision and increases the controllability.

The above-mentioned embodiments are only preferred embodiments of the present invention, not limiting the scope of the present invention, except the cases listed in the specific embodiments, all equivalent changes made according to the shape, structure and principle of the present invention should be covered in the protection scope of the present invention.

Claims

1. The fluid metering pump is used for subpackaging and metering the output flow of the fluid pump, and comprises a power driving part and a pump body, wherein the pump body is used for outputting the quantitatively sucked liquid and the amount of the fluid required for subpackaging after automatically adjusting according to the requirement;

the method is characterized in that:

the pump body comprises a pump tee joint, a cylinder body and a piston body arranged in the cylinder body, the cylinder body is fixedly arranged on the pump tee joint and is communicated with one path of the pump tee joint, a pump inlet of the pump tee joint is connected with a pump inlet flow channel pipe which is convenient for pumping fluid materials into the pump tee joint and an inner cavity of the cylinder body, a pump outlet flow channel pipe which is convenient for pumping the fluid materials in the pump tee joint and the inner cavity of the cylinder body is connected with an outlet of the pump tee joint, a pump inlet one-way stop valve is arranged on the pump inlet flow channel pipe, and a pump outlet one-way stop valve;

the power driving component comprises a power source, a power gear, a rack and an assembly frame, the power gear and the rack are matched with each other and then are installed on the assembly frame, one end part of the rack is connected with the piston body in the cylinder body, the power source drives the power gear to rotate positively and negatively, the power gear drives the rack to linearly and reciprocally traverse, and the rack is linked to drive the piston body to linearly and reciprocally traverse in the cylinder body;

the power source controls the stroke amount of the piston body in the cylinder body through the power gear and the rack to change the volume of the cylinder body and control the three-way joint for the split charging metering and the stepless regulation of the material amount pumped out by the fluid material in the cylinder body.

2. The fluid metering pump of claim 1, wherein sliding sleeves are respectively installed at two ends of the mounting frame, and are sleeved with the racks to facilitate the linear reciprocating transverse movement of the racks.

3. The fluid metering pump of claim 1, wherein the power source is a stepper motor.

4. The fluid metering pump of claim 3, wherein adjusting the rotational speed of the stepper motor adjusts the flow rate of the fluid material pumped out of the tee and cylinder.

5. The fluid metering pump of claim 1, wherein adjusting the pitch of the rack adjusts the flow rate of the fluid material pumped out of the tee and cylinder.